（题文）—What happened to you?
—I ________in the street when someone patted me on the shoulder，which frightened me.
A. was walking
B. had walked
C. was about to walk
D. was on the point of walking
（题文）The young dancers looked so charming in their beautiful clothes that we took________pictures of them.
A. many of B. the number of
C. large numbers of D. a large amount of
The soldiers were put in prison because they ________ to obey orders.
A. refused B. rejected
C. denied D. objected
The producer comes regularly to collect the cameras________to our shop for quality problems.
A. returning B. returned
C. to return D. to be returned
Brian is gifted in writing music；he is very likely to be________Beethoven.
A. a B. an
C. the D. 不填
（题文）Paper produced every year is ________ the world's production of vehicles.
A. the three times weight of B. heavier three times than
C. as three times heavy as D. three times the weight of
